The importance of physicochemical phase analysis technique in the development of aviation metallic material science and creation of Ni-based superalloys. (Dedicated to the 125th anniversary of the N.I. Blok’s birth)

Morozova G.I.
Morozova G.I. The importance of physicochemical phase analysis technique in the development of aviation metallic material science and creation of Ni-based superalloys. (Dedicated to the 125th anniversary of the N.I. Blok’s birth) // Proceedings of VIAM. 2016. No. 1. DOI: 10.18577/2307-6046-2016-0-1-50-55. URL: https://test.viam.ru/en/journal/2016/1/7
Abstract

In this paper the historical aspect of foundation and development of physicochemical phase analysis technique for investigation of aviation alloys with different basic metals was considered. This work is dedicated to the memory of Natalia I. Blok in connection with the 125th anniversary of her birth. In fairness, it must be said that N.I. Blok and her research team discovered the γ'-phase in Nickel superalloy EI437B and founded the role of aluminum in γ'-phase formation, which was done for the first time in the world. This discovery contributed to the accelerated development of new superalloys for hot sections of gas turbine engines. The discovery of the fine dispersed γ'-phase formed the basis of the theory of heterophase superalloys strengthening, this theory was advocated by the academician S.T.Kishkin. The main achievements in the field of research of nickel alloys chemistry by the physicochemical phase analysis applicable in selection of new alloy compositions, in study of phase t

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